ATE358921T1 - Verfahren zur überwachung der zeitsynchronität von sendern in einem gleichwellennetz - Google Patents

Verfahren zur überwachung der zeitsynchronität von sendern in einem gleichwellennetz

Info

Publication number
ATE358921T1
ATE358921T1 AT04764614T AT04764614T ATE358921T1 AT E358921 T1 ATE358921 T1 AT E358921T1 AT 04764614 T AT04764614 T AT 04764614T AT 04764614 T AT04764614 T AT 04764614T AT E358921 T1 ATE358921 T1 AT E358921T1
Authority
AT
Austria
Prior art keywords
transmitters
wave network
pulse response
monitoring
synchronity
Prior art date
Application number
AT04764614T
Other languages
English (en)
Inventor
Christoph Balz
Martin Hofmeister
Original Assignee
Rohde & Schwarz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohde & Schwarz filed Critical Rohde & Schwarz
Application granted granted Critical
Publication of ATE358921T1 publication Critical patent/ATE358921T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2625—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using common wave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measuring Volume Flow (AREA)
  • Radio Relay Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT04764614T 2003-09-11 2004-08-30 Verfahren zur überwachung der zeitsynchronität von sendern in einem gleichwellennetz ATE358921T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10342040A DE10342040A1 (de) 2003-09-11 2003-09-11 Verfahren zur Überwachung der Zeitsynchronität von Sendern in einem Gleichwellennetz

Publications (1)

Publication Number Publication Date
ATE358921T1 true ATE358921T1 (de) 2007-04-15

Family

ID=34258573

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04764614T ATE358921T1 (de) 2003-09-11 2004-08-30 Verfahren zur überwachung der zeitsynchronität von sendern in einem gleichwellennetz

Country Status (9)

Country Link
US (1) US20070274423A1 (de)
EP (1) EP1665592B1 (de)
JP (1) JP4443567B2 (de)
CN (1) CN100561898C (de)
AT (1) ATE358921T1 (de)
AU (1) AU2004305621B2 (de)
DE (2) DE10342040A1 (de)
ES (1) ES2285499T3 (de)
WO (1) WO2005029736A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100531011C (zh) * 2005-07-04 2009-08-19 上海原动力通信科技有限公司 确定上行信道冲激响应的方法及多用户联合检测的方法
JP4551889B2 (ja) 2006-09-14 2010-09-29 株式会社東芝 デジタル放送システムとこのシステムに用いられる放送装置及び監視装置
WO2009121397A1 (de) * 2008-04-01 2009-10-08 Siemens Aktiengesellschaft Verfahren und vorrichtung zur adaption mindestens einer kommunikationsverbindung und system umfassend eine derartige vorrichtung
FR2937202B1 (fr) * 2008-10-15 2011-04-08 Tdf Systeme de surveillance d'un reseau de transmission synchrone
CN101860803A (zh) * 2010-06-12 2010-10-13 珠海无线蜂网科技有限公司 一种广播电视信号的发射方法、传输中心、基站及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125008A (en) * 1990-03-09 1992-06-23 Scientific-Atlanta, Inc. Method and apparatus for autoranging, quadrature signal generation, digital phase reference, and calibration in a high speed rf measurement receiver
DE19642633A1 (de) * 1996-10-16 1998-04-23 Bosch Gmbh Robert Verfahren zur Bestimmung von Empfängerstandorten in einem Gleichwellennetz
JPH11346206A (ja) * 1998-06-02 1999-12-14 Mitsubishi Electric Corp デジタル放送受信機
DE19830638C1 (de) * 1998-07-09 2000-03-09 Inst Rundfunktechnik Gmbh Verfahren zum Überwachen von Sendern in einem Gleichwellennetz
EP1063799B1 (de) * 1999-06-22 2003-08-13 Swisscom AG Messverfahren für Einfrequenznetze und dafür geeignete Vorrichtungen
DE19937457C2 (de) * 1999-08-07 2003-10-09 Bosch Gmbh Robert Verfahren zur Überwachung von Sendern in einem Gleichwellennetz und Anordnung hierfür
DE10005287A1 (de) * 2000-02-07 2001-08-09 Rohde & Schwarz Verfahren zum Bestimmen der Restträgerleistung bei einem nach dem DVB-T-Standard im 8K-Modus QAM-modulierten Multiträgersignal
GB2376855A (en) * 2001-06-20 2002-12-24 Sony Uk Ltd Determining symbol synchronisation in an OFDM receiver in response to one of two impulse response estimates
DE10134920B4 (de) * 2001-07-18 2005-10-06 Mulka, Sven, Dipl.-Ing. Verfahren zur Überwachung der Synchronität von Sendern in einem Gleichwellennetz
US20040105512A1 (en) * 2002-12-02 2004-06-03 Nokia Corporation Two step synchronization procedure for orthogonal frequency division multiplexing (OFDM) receivers

Also Published As

Publication number Publication date
EP1665592A2 (de) 2006-06-07
CN1846380A (zh) 2006-10-11
CN100561898C (zh) 2009-11-18
AU2004305621B2 (en) 2008-07-31
US20070274423A1 (en) 2007-11-29
JP2007505532A (ja) 2007-03-08
WO2005029736A3 (de) 2005-07-07
AU2004305621A1 (en) 2005-03-31
DE502004003421D1 (de) 2007-05-16
EP1665592B1 (de) 2007-04-04
ES2285499T3 (es) 2007-11-16
WO2005029736A2 (de) 2005-03-31
JP4443567B2 (ja) 2010-03-31
DE10342040A1 (de) 2005-04-07

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee